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author | Jim Meyering <jim@meyering.net> | 1996-12-21 01:56:50 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1996-12-21 01:56:50 +0000 |
commit | 58dfd6b4420c1d0d9136dfa98829ccd17853b064 (patch) | |
tree | b10ebcf306455a04b25fd831347552f3736adec1 /m4/ptrdiff.m4 | |
parent | 5fc47138b1f01f5ec8d449585bd19abea4da7960 (diff) | |
download | coreutils-58dfd6b4420c1d0d9136dfa98829ccd17853b064.tar.xz |
copied from automake-1.1l
Diffstat (limited to 'm4/ptrdiff.m4')
-rw-r--r-- | m4/ptrdiff.m4 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/m4/ptrdiff.m4 b/m4/ptrdiff.m4 new file mode 100644 index 000000000..85bf4aceb --- /dev/null +++ b/m4/ptrdiff.m4 @@ -0,0 +1,12 @@ +# From Ulrich Drepper. + +# serial 1 + +AC_DEFUN(AM_TYPE_PTRDIFF_T, + [AC_CACHE_CHECK([for ptrdiff_t], am_cv_type_ptrdiff_t, + [AC_TRY_COMPILE([#include <stddef.h>], [ptrdiff_t p], + am_cv_type_ptrdiff_t=yes, am_cv_type_ptrdiff_t=no)]) + if test $am_cv_type_ptrdiff_t = yes; then + AC_DEFINE(HAVE_PTRDIFF_T) + fi +]) |